linux-kernel - [PATCH v7 0/8] Add SPI offload support to AD4030

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Message-ID: <cover.1770309522.git.marcelo.schmitt@analog.com>
Date: Thu, 5 Feb 2026 13:46:28 -0300
From: Marcelo Schmitt <marcelo.schmitt@...log.com>
To: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <jic23@...nel.org>, <michael.hennerich@...log.com>, <nuno.sa@...log.com>,
        <eblanc@...libre.com>, <dlechner@...libre.com>, <andy@...nel.org>,
        <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <corbet@....net>, <marcelo.schmitt1@...il.com>
Subject: [PATCH v7 0/8] Add SPI offload support to AD4030

Hi,

This set add high speed data capture with AD4030/AD4630 and similar ADCs. It
also adds support for ADAQ4216 and ADAQ4224.

Quick recap, this set was extensively reviewed but was put on hold due to the
need of updates to the HDL project associated with these devices. Now that the
HDL project has been updated and retested, I believe we can have the driver
updates added to the IIO tree.

Change log v6 -> v7
[DT]
- No changes. 
[IIO]
- Dropped unneeded enter/exit reg config mode, simplifying offload buffer setup procedures.

Tested with ADAQ4216 on ZedBoard.
https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad4030

Link to v6: https://lore.kernel.org/linux-iio/cover.1760984107.git.marcelo.schmitt@analog.com/

Thanks,
Marcelo


Marcelo Schmitt (8):
  dt-bindings: iio: adc: adi,ad4030: Reference spi-peripheral-props
  Docs: iio: ad4030: Add double PWM SPI offload doc
  dt-bindings: iio: adc: adi,ad4030: Add PWM
  iio: adc: ad4030: Use BIT macro to improve code readability
  iio: adc: ad4030: Add SPI offload support
  dt-bindings: iio: adc: adi,ad4030: Add ADAQ4216 and ADAQ4224
  iio: adc: ad4030: Add support for ADAQ4216 and ADAQ4224
  iio: adc: ad4030: Support common-mode channels with SPI offloading

 .../bindings/iio/adc/adi,ad4030.yaml          |  76 ++-
 Documentation/iio/ad4030.rst                  |  39 ++
 drivers/iio/adc/Kconfig                       |   5 +
 drivers/iio/adc/ad4030.c                      | 640 +++++++++++++++++-
 4 files changed, 735 insertions(+), 25 deletions(-)


base-commit: d820183f371d9aa8517a1cd21fe6edacf0f94b7f
-- 
2.39.2